If you have more than 32 devices on your DMX cable, you need to provide a Splitter/Buffer to maintain the DMX signal quality. This 4 Way Optically Isolated DMX splitter/buffer will allow a total 128 down stream devices to be connected, 32 on each output. The DMX-SPLIT4 can be cascaded for even more devices up to 512.
Single 9v-12v DC power supply required.Introduction
The DMX-SPLIT4 module is 4-way DMX splitter, also sometimes known as a buffer or amplifier. Cased in a sturdy steel box, the splitter can be easily mounted on the rigging truss with plastic cable ties.
Fully compliant with the latest USITT DMX512-A standard.
Backwards compatible with the older USITT DMX512/1990 standard.
Optically isolated input, with on-board isolated power supply.
Four individually buffered outputs with common ground.
Single 9v - 12v DC power supply required.
Three LED status indicates main power, isolated power and DMX activity.
On-board 120 Ohm termination on input and all outputs.
|Top||Green Led||DMX Present|
|Middle||Red Led||Isolated Power ok|
|Bottom||Red Led||Main Power ok|
The 5-pin XLR connections follow industry standard pin-out.
|Use||5-pin XLR Pin number||DMX512 Function|
|Common Reference||1||Data Link Common|
|Primary Data Link||2||Data 1-|
|Secondary Data Link
Not used by module and un-connected on XLR's
Any 9v to 12v DC adapter supplying a minimum 200mA can be used to power the unit.
A full schematic of the module in PDF format can be downloaded here.
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